Foundations of Software Engineering

CSCI 5828 – Spring 2010

Michael Johnson

Definition

Companies

Technology

Issues

Trends

RIA

noun

1. Internet applications that have desktop characteristics

2. Internet applications that have a significant user experience beyond typical web sites

3. Web 3.0…that is, it’s a version past what was considered Web 2.0

Cheap hardware (Thin Client)

OS transparency

Doesn’t have to be a browser

Free/Ad based

Socially aware

Location aware

Mobile experience

Offline experience (Html5, Adobe Air/Flex)

Iteration

My application on every machine on the planet

PhotoSynth

Hulu

Netflix

Google Street ViewSquarespace

OnLiveJNES Emulator

Garmin Connect

http://www.hulu.com/

http://connect.garmin.com/

http://www.bing.com/maps/explore/

http://benfirshman.com/projects/jsnes/

Media Editing Photoshop/Video Editing

ITunes

Development IDE

Operating Systems

Google – pushing HTML5 and various services

Adobe – pushing Flash

Microsoft – Pushing Silverlight, Sync, and Azure

Amazon: Cloud

Chrome OS

Google Docs

Open Social

Google Maps…specifically Street View

Google Latitude

Silverlight

Azure

Sync

Windows Mobile 7

Flash

Flash/Silverlight

CSS3/HTML5

Web Services / REST

Cloud

JavaScript

JSON and POX

Browsers

OS

Browser …the interface

Data …the communication

Server…where it’s at

Cloud…where it’s heading

The desktop application

The window to everything

Standards

Offline capabilities

JavaScript engine Functional language (function is a 1st class citizen)

Web Services (SOAP)

POX

JSON

Some challenges are… Geospatial data

DRM

Provides all backend the functionality

Process all the data

Scalability

Security

Can do many more things now Serve up HD video

Play games online

Extensive use of AJAX / Xml Posts

Use of the DOM is more important Standards based browsers are more important

Move to HTML 5

Flash everywhere

Developing for every device

Services has APIs

Cloud

Privacy concerns and consumer

Browser

Access to the power of the PC

Free/Cheap Connectivity everywhere

The speed of the connectivity I want to watch my HD movies through Netflix and

Xbox Live

Plug Google Fiber

Specification/Standards

Flawed Patent system

Trust/Privacy

Iteration Can iterate very fast. No complicated deployment

needed. Maybe too fast. The public doesn’t like change. E.g. Facebook users hating new page layouts.

How do you do DRM?

How do you do Street View?

The Enterprise Authentication/Authorization: Security

Integrating with existing infrastructure, etc

Flash Revolt By extension also a Silverlight and plug-in revolt

Great social ideas

Mobile and alternative devices handle mouse cursor differently in Flash.

Battery Life

Poorly designed and buggy

Proprietary

It is the future…it will probably be called something else by then